Counting machine



FIG. 1 is a perspective view of a counting machine showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof, the right side view is a mirror image of the left side view;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear view thereof.

In the drawings, the broken lines depict portions of the design that form no part of the claim. 

The ornamental design for a counting machine, as shown and described. 